public function testGetHasListeners() { $dispatcher = new EventDispatcher(); $this->assertFalse($dispatcher->hasListeners('foo'), '->hasListeners() returns false if the event has no listener'); $dispatcher->connect('foo', 'listenToFoo'); $this->assertEquals(true, $dispatcher->hasListeners('foo'), '->hasListeners() returns true if the event has some listeners'); $dispatcher->disconnect('foo', 'listenToFoo'); $this->assertFalse($dispatcher->hasListeners('foo'), '->hasListeners() returns false if the event has no listener'); $dispatcher->connect('bar', 'listenToBar'); $this->assertEquals(array('listenToBar'), $dispatcher->getListeners('bar'), '->getListeners() returns an array of listeners connected to the given event name'); $this->assertEquals(array(), $dispatcher->getListeners('foobar'), '->getListeners() returns an empty array if no listener are connected to the given event name'); }
/* * This file is part of the symfony package. * (c) Fabien Potencier <*****@*****.**> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ require_once __DIR__ . '/../../../bootstrap.php'; use Symfony\Components\EventDispatcher\Event; use Symfony\Components\EventDispatcher\EventDispatcher; $t = new LimeTest(19); $dispatcher = new EventDispatcher(); // ->connect() ->disconnect() $t->diag('->connect() ->disconnect()'); $dispatcher->connect('bar', 'listenToBar'); $t->is($dispatcher->getListeners('bar'), array('listenToBar'), '->connect() connects a listener to an event name'); $dispatcher->connect('bar', 'listenToBarBar'); $t->is($dispatcher->getListeners('bar'), array('listenToBar', 'listenToBarBar'), '->connect() can connect several listeners for the same event name'); $dispatcher->connect('barbar', 'listenToBarBar'); $dispatcher->disconnect('bar', 'listenToBarBar'); $t->is($dispatcher->getListeners('bar'), array('listenToBar'), '->disconnect() disconnects a listener for an event name'); $t->is($dispatcher->getListeners('barbar'), array('listenToBarBar'), '->disconnect() disconnects a listener for an event name'); $t->ok($dispatcher->disconnect('foobar', 'listen') === false, '->disconnect() returns false if the listener does not exist'); // ->getListeners() ->hasListeners() $t->diag('->getListeners() ->hasListeners()'); $t->is($dispatcher->hasListeners('foo'), false, '->hasListeners() returns false if the event has no listener'); $dispatcher->connect('foo', 'listenToFoo'); $t->is($dispatcher->hasListeners('foo'), true, '->hasListeners() returns true if the event has some listeners'); $dispatcher->disconnect('foo', 'listenToFoo'); $t->is($dispatcher->hasListeners('foo'), false, '->hasListeners() returns false if the event has no listener'); $t->is($dispatcher->getListeners('bar'), array('listenToBar'), '->getListeners() returns an array of listeners connected to the given event name');